15990-74-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 15990-74-6 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,5,9,9 and 0 respectively; the second part has 2 digits, 7 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 15990-74:
(7*1)+(6*5)+(5*9)+(4*9)+(3*0)+(2*7)+(1*4)=136
136 % 10 = 6
So 15990-74-6 is a valid CAS Registry Number.